Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.
Caterpillar · Engine
1978419
In stock · ships from Knoxville
The Caterpillar 1978419 is an OEM engine gasket designed to seal mating surfaces and prevent fluid or gas leaks on Caterpillar diesel engines.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Caterpillar
Caterpillar
Exact location within the engine not specified by part number alone; commonly listed for C11 (KCA) applications based on aftermarket cataloging.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 3 of 3.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It is manufactured to exact dimensions for a reliable seal and is commonly replaced during component overhauls or whenever a leak develops. This lightweight gasket is sold individually and is listed for use in certain Caterpillar C11 engine applications (KCA serial prefix).
Part Number: 1978419
GASKET
Dealer: KP Services Crossville
Compatibility, alternatives, and more
